102422443 has 4 divisors (see below), whose sum is σ = 102697408. Its totient is φ = 102147480.

The previous prime is 102422429. The next prime is 102422459. The reversal of 102422443 is 344224201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102422443 - 2¹³ = 102414251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102422423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136923 + ... + 137668.

It is an arithmetic number, because the mean of its divisors is an integer number (25674352).

Almost surely, 2^102422443 is an apocalyptic number.

102422443 is a deficient number, since it is larger than the sum of its proper divisors (274965).

102422443 is an equidigital number, since it uses as much as digits as its factorization.

102422443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274964.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 102422443 is about 10120.3973736213. The cubic root of 102422443 is about 467.8770146435.

Adding to 102422443 its reverse (344224201), we get a palindrome (446646644).

The spelling of 102422443 in words is "one hundred two million, four hundred twenty-two thousand, four hundred forty-three".